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MosdentISTANBUL 1992
// Paediatric Dentistry

Dental Fillings in Children: What You Need to Know

Dental health is of great importance from childhood onwards. Children's eating habits, dental care routines and genetic factors directly affect dental health. Cavities are one of the most common dental problems in children and can lead to…

Dr Ebru İmrenWritten by
Published
4 minread
Dr Ferit Kaval, PhDmedical review
Dentist in blue scrubs examines a young girl's open mouth with mirror and probe
Paediatric Dentistry·4 min
// Quick answer

A filling in a child restores a decayed or fractured tooth to its original shape and function, and in a primary tooth it also holds the space the permanent successor will need. Three materials dominate: composite resin, which matches tooth colour and bonds to the tooth; amalgam, chosen mainly for molars; and glass ionomer, which releases fluoride and suits primary teeth. In a meta-analysis of 11 clinical trials in primary molars, composite resin, compomer and resin-modified glass ionomer showed no significant difference in survival over 24 months (PubMed 28206891). Composite restorations commonly last 5 to 7 years.

// Key takeaways
  • 01In primary molars the resin-containing materials perform alike: a meta-analysis of 11 clinical trials found no significant difference in survival over 24 months between composite resin, compomer and resin-modified glass ionomer (PubMed 28206891).
  • 02Not every ionomer is equal. In the same review, silver-reinforced glass ionomer cement had the worst survival among the ionomer materials (PubMed 28206891).
  • 03Filling a primary tooth is not cosmetic housekeeping: early loss of a baby tooth disturbs the space and the jaw development that the permanent tooth depends on.
  • 04Primary enamel is thinner than permanent enamel, which is why decay progresses faster in children and is caught at check-ups rather than by waiting for pain.
  • 05Aftercare is short but specific: nothing to eat for the first 2 hours, then avoidance of hard, sticky and sugary foods, plus regular brushing with fluoride toothpaste.

Dental health is of great importance from childhood onwards. Children's eating habits, dental care routines and genetic factors directly affect dental health. Cavities are one of the most common dental problems in children and can lead to serious tooth loss if not treated early. At this point, dental fillings stand out as one of the most common treatment methods. So, how is dental filling done in children? In what cases is it necessary? Here is what you need to know about dental fillings in children in full detail.

/ Tooth Decay in Children and Its Importance

Children's teeth are more sensitive and more prone to decay than adults. The main reasons for this are:

  • Consumption of sugary and acidic foods: Sugary and acidic foods, which are frequently found in children's diets, can weaken tooth enamel and cause cavities.
  • Irregular tooth brushing habits: If children do not brush their teeth regularly and correctly, tooth decay can increase.
  • Underdeveloped tooth enamel: Milk teeth have a thinner enamel layer than permanent teeth, and this can cause cavities to progress rapidly.
  • Genetic predisposition: Some children may be more prone to cavities due to genetic factors.
  • Low amount of saliva: Saliva is a natural barrier that protects teeth. Insufficient saliva secretion can increase the risk of cavities.

/ What is a Dental Filling in Children and Why is it Necessary?

A dental filling is a treatment method performed to restore the function and aesthetics of decayed or broken teeth. The main reasons for dental filling in children are as follows:

  • Preventing the progression of cavities: An early filling prevents the decay from reaching the nerves of the tooth and the formation of painful dental infections.
  • Preventing tooth loss: Milk teeth are important for the healthy development of permanent teeth. Early tooth loss can cause deterioration in the jaw structure.
  • Relieving pain: When tooth decay progresses in children, it can cause pain. A filling increases the child's comfort and protects eating and speaking functions.
  • Protecting dental aesthetics: Decay in the front teeth can create an aesthetically unpleasant appearance. A filling process helps the child preserve the natural appearance of their teeth.
  • Protecting the function of the tooth: It ensures that the chewing function continues and facilitates the feeding process.

/ Types of Dental Fillings in Children

The types of fillings used in children may vary depending on the structure of the tooth, the size of the decay, and the age of the child. Here are the most commonly used filling types:

Composite (White) Fillings

  • This is the type of filling closest to the natural tooth color.
  • It can be used on front and back teeth.
  • It gives the best aesthetic results.
  • Since it requires less abrasion, the majority of the tooth is preserved.
  • It can wear out over time and may need to be renewed at certain intervals.

Amalgam (Silver) Fillings

  • They are made of metal alloys and are durable.
  • They are especially preferred for molars.
  • They are long-lasting and resistant to hard food consumption.
  • They may be disadvantageous in terms of aesthetics.

Glass Ionomer Fillings

  • They prevent decay by releasing fluoride.
  • They are especially suitable for milk teeth.
  • They are not as durable as composite fillings.
  • They are preferred in the treatment of small decays.

/ Things to Consider After Dental Fillings in Children

  • It is important not to eat within the first 2 hours after the filling.
  • Hard, sticky and sugary foods should be avoided.
  • Regular tooth brushing habits should be developed.
  • Periodic check-ups recommended by the dentist should not be neglected.

/ Ways to Prevent Tooth Decay in Children

  • Sugary and acidic foods should be avoided.
  • Brushing should be done regularly with fluoride toothpaste.
  • Dental health should be supported with a balanced diet.
  • Regular dentist check-ups should not be neglected.

/ Frequently Asked Questions About Dental Fillings in Children

How long do fillings last in children?

It varies depending on the type of filling and the child's oral care. Composite fillings can usually last 5-7 years.

Are fillings necessary for baby teeth?

Yes, although baby teeth fall out over time, it is important to protect them with fillings to prevent decay from progressing.

Do children experience sensitivity after fillings?

There may be slight sensitivity in the first few days, but it will improve over time.

Which filling is the best for children?

The choice of filling is determined by the child's tooth structure, the size of the decay, and aesthetic factors. In most cases, composite or glass ionomer fillings are preferred.

Are dental fillings painful in children?

The filling procedure is performed with local anesthesia, so there is no pain during the procedure.

Dental fillings in children are an important treatment method to prevent early tooth loss, stop the progression of cavities and protect oral health. Parents should be aware of their children's dental health and not neglect regular dentist check-ups. Healthy teeth increase children's self-confidence and quality of life.

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// Written by
Ebru İmren
Specialist Dentist Ebru İmren
Paediatric Dentistry
Medically reviewed by: Dr Ferit Kaval, PhD

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// Frequently Asked

Frequently asked questions

How long do fillings last in children?+

It depends on the material, the size of the cavity and the child's oral hygiene. Composite fillings commonly last 5 to 7 years. In a meta-analysis of 11 clinical trials in primary molars, composite resin, compomer and resin-modified glass ionomer showed no significant difference in survival over 24 months, so material choice follows the site and the child rather than longevity alone (PubMed 28206891).

Do baby teeth really need fillings?+

Yes, when there is decay. Primary teeth guide the eruption of the permanent teeth and hold the space they need, so losing one early can disturb the developing jaw. Filling also stops the decay before it reaches the nerve, which prevents pain and infection, and keeps chewing and speech working while the child grows. By definition a dental filling is a treatment performed to restore the function and aesthetics of a decayed or broken tooth, and a primary tooth needs that just as a permanent one does.

Which filling is best for children?+

There is no single answer. Composite gives the closest match to natural tooth colour and works on front and back teeth; glass ionomer releases fluoride and suits small cavities in primary teeth; amalgam is durable and used mainly on molars. A meta-analysis of 11 trials found composite, compomer and resin-modified glass ionomer performed similarly over 24 months in primary molars (PubMed 28206891).

Are dental fillings painful for children?+

The procedure is carried out under local anaesthesia, so the child should not feel pain while the cavity is cleaned and filled. Mild sensitivity in the first few days afterwards is common and settles over time. Sensitivity that persists beyond that, or pain on biting, is worth reporting back to the dentist.

What should a child avoid after a filling?+

Nothing to eat for the first 2 hours. After that, hard, sticky and sugary foods should be avoided so the restoration is neither overloaded nor undermined by new decay. Regular brushing with fluoride toothpaste and the periodic check-ups the dentist recommends do more for the filling's lifespan than any single food rule.

Why do children get cavities more easily than adults?+

Several factors stack up. Primary teeth have a thinner enamel layer than permanent teeth, so decay progresses faster once it starts. Sugary and acidic foods are common in children's diets and weaken enamel. Brushing is often irregular or ineffective, some children are genetically more susceptible, and low saliva flow removes a natural protective barrier. Primary enamel is a thinner layer than permanent enamel, which shortens the distance decay has to travel.

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